1222030121999 has 2 divisors, whose sum is σ = 1222030122000. Its totient is φ = 1222030121998.

The previous prime is 1222030121969. The next prime is 1222030122041. The reversal of 1222030121999 is 9991210302221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9991210302221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222030121999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222030121969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611015060999 + 611015061000.

It is an arithmetic number, because the mean of its divisors is an integer number (611015061000).

Almost surely, 2^{1222030121999} is an apocalyptic number.

1222030121999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222030121999 is an equidigital number, since it uses as much as digits as its factorization.

1222030121999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 1222030121999 in words is "one trillion, two hundred twenty-two billion, thirty million, one hundred twenty-one thousand, nine hundred ninety-nine".